CN206977135U - Charger - Google Patents
Charger Download PDFInfo
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- CN206977135U CN206977135U CN201720805767.0U CN201720805767U CN206977135U CN 206977135 U CN206977135 U CN 206977135U CN 201720805767 U CN201720805767 U CN 201720805767U CN 206977135 U CN206977135 U CN 206977135U
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- circuit
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- charger
- battery
- control circuit
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Abstract
The utility model provides a kind of charger, including：FET control circuit, constant-current and constant-voltage control circuit, MCU controllers, battery types touch selection circuit and charging output end；The MCU controllers touch selection circuit with the constant-current and constant-voltage control circuit, the FET control circuit, the battery types respectively and the charging output end is electrically connected with；The FET control circuit is used to control whether the charging output end normally exports；The constant-current and constant-voltage control circuit is used to control the charging output end to export constant current or constant voltage；The battery types touch selection circuit and are used to select type of rechargeable battery；The preset charged parameter that the MCU controllers are used to select to match with battery types to be charged is charged.The charger has versatile, can adapt to different types of rechargeable battery.
Description
Technical field
The utility model belongs to charger technologies field, and in particular to charger.
Background technology
Battery charger in the market, the battery of same type can only be charged, the versatility of charger compared with
Difference, it is impossible to realize same charger to different type battery (such as lead-acid accumulator, lithium battery etc.) according to more meeting battery sheet
The charging curve (such as preliminary filling, floating charge, multistage constant pressure, Multi-section constant current etc.) of body charge characteristic carries out multisection type charging, causes to fill
The versatility of electrical equipment is poor, is not the charge requirement for adapting to different type battery.
Utility model content
To overcome the problems of the prior art, the utility model provides a kind of charger, using the teaching of the invention it is possible to provide rechargeable battery class
Type selects, and supports multisection type Charge Management, charging in many ways is provided in charging process, the Charger universality is strong, fills
Electrical efficiency is high, and electric energy loss is low, battery length.
Specifically, the utility model provides a kind of charger, and the charger includes：FET control circuit, constant current
Constant-voltage control circuit, MCU controllers, battery types touch selection circuit and charging output end；The MCU controllers respectively with institute
State constant-current and constant-voltage control circuit, the FET control circuit, the battery types and touch selection circuit and the charging
Output end is electrically connected with；
The FET control circuit is used to control whether the charging output end normally exports；
The constant-current and constant-voltage control circuit is used to control the charging output end to export constant current or constant voltage；
The battery types touch selection circuit and are used to select type of rechargeable battery；
The preset charged parameter that the MCU controllers are used to select to match with battery types to be charged is charged.
As the further improvement of above-mentioned technical proposal, the touch chip that the battery types touch selection circuit is
BS812A。
As the further improvement of above-mentioned technical proposal, the charger also includes charge mode and touches selection circuit；Institute
It is fast charge or trickle charge to state charge mode and touch selection circuit to be used to select charge mode.
As the further improvement of above-mentioned technical proposal, the touch chip that the charge mode touches selection circuit is
BS812A。
As the further improvement of above-mentioned technical proposal, the charger also includes thermal-shutdown circuit and reverse connecting protection electricity
Road；The thermal-shutdown circuit is used to prevent that charging-cell temperature is too high, and the reverse-connection protection circuit is used for when external connection battery connects
Inverse time protects battery.
As the further improvement of above-mentioned technical proposal, the charger also includes LED indicating circuit；The LED instructions
Circuit is used to indicate charged state.
As the further improvement of above-mentioned technical proposal, the MCU controllers are STMicw Electronics's STM8S003K3 monolithics
Machine.
As the further improvement of above-mentioned technical proposal, the operational amplifier of the constant-current and constant-voltage control circuit is 324 fortune
Calculate amplifier.
As the further improvement of above-mentioned technical proposal, the charger also includes EMC filter circuit, high-voltage rectifying filters
Circuit, high-frequency isolation reduction voltage circuit, PWM controller and feedback circuit.
As the further improvement of above-mentioned technical proposal, the PWM controller is LD7750 power management chips.
Using technical scheme provided by the utility model, compared with existing known technology, at least have following beneficial to effect
Fruit：
(1) charger is versatile, can adapt to different types of rechargeable battery.
(2) charge efficiency is high, and electric energy loss is low, battery length.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the charger that the embodiment of the utility model one provides.
Fig. 2 is the structural representation for the charger that another embodiment of the utility model provides.
Main element symbol description：
11-EMC filter circuits, 12- high-voltage rectifyings filter circuit, 13- high-frequency isolations reduction voltage circuit, 14- field-effect management and control
Circuit processed, 15-PWM controllers, 16- feedback circuits, 17- constant-current and constant-voltage control circuits, 18-MCU controllers, 19- charge modes
Touch selection circuit, 20- thermal-shutdown circuits, 21- reverse-connection protection circuits, 22-LED indicating circuits, 23- battery types and touch choosing
Select circuit.
Embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that：It is limited to spy disclosed herein in the absence of by the various embodiments of the disclosure
Determine the intention of embodiment, but the disclosure should be interpreted as covering in the spirit and scope for the various embodiments for falling into the disclosure
All adjustment, equivalent and/or alternatives.
Hereinafter, disclosed in the term " comprising " that can be used in the various embodiments of the disclosure or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as exist
Used in the various embodiments of the disclosure, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number
Word, step, operation, the combination of element, component or foregoing item, and be understood not to exclude first one or more other
Feature, numeral, step, operation, element, component or foregoing item combination presence or one or more features of increase, numeral,
Step, operation, element, component or foregoing item combination possibility.
In the various embodiments of the disclosure, statement " at least one in A or/and B " includes the word listed file names with
Any combinations or all combinations." A or B " or " at least one in A or/and B " may include A, may include B or can for example, statement
Including A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element
Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills
Put and indicate different user device with second user device, although the two is all user's set.For example, each of the disclosure is not being departed from
In the case of the scope of kind embodiment, the first element is referred to alternatively as the second element, and similarly, the second element is also referred to as first
Element.
It should be noted that：, can be by the first composition member if an element ' attach ' to another element by description
Part is directly connected to the second element, and " connection " the 3rd can be formed between the first element and the second element
Element.On the contrary, when an element " being directly connected to " is arrived into another element, it will be appreciated that be in the first element
And second be not present the 3rd element between element.
The term " user " used in the various embodiments of the disclosure, which may indicate that, to be used the people of electronic installation or uses electricity
The device (for example, artificial intelligence electronic installation) of sub-device.
The term used in the various embodiments of the disclosure is only used for describing the purpose of specific embodiment and not anticipated
In the various embodiments of the limitation disclosure.As used herein, singulative is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein
There is the implication identical implication that the various embodiment one skilled in the art with the disclosure are generally understood that.The term
(term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field
Identical implication and the implication with Utopian implication or overly formal will be not construed as, unless in the various of the disclosure
It is clearly defined in embodiment.
Embodiment 1
As shown in figure 1, the utility model provides a kind of charger, the charger includes：Ac power input end, EMC
Filter circuit 11, high-voltage rectifying filter circuit 12, high-frequency isolation reduction voltage circuit 13, FET control circuit 14, PWM controller
15th, feedback circuit 16, constant-current and constant-voltage control circuit 17, MCU controllers 18, battery types touch selection circuit 23 and charging output
End.
EMC filter circuit 11 is used to eliminate electromagnetism caused by inductive load and spark interference during electricity is connected.
High-voltage rectifying filter circuit 12 and high-frequency isolation reduction voltage circuit 13 are used to carry out rectification filter successively to input AC electricity
Ripple processing and decompression processing.
FET control circuit 14 is used to control whether the charging output end normally exports.
PWM controller 15 is used to produce short square ripple, promotes late-class circuit to carry out power output.
Feedback circuit 16 is used for burning voltage and isolation.
Constant-current and constant-voltage control circuit 17 is used to control the charging output end to export constant current or constant voltage.
It is lead-acid accumulator or lithium battery that battery types, which touch selection circuit 23 to be used to select type of rechargeable battery,.User is led to
Membrane keyboard in overcharge manually selects, the specific type selecting needed according to rechargeable battery.For different types of charging
Battery, charge parameter also differ.
The preset charged parameter that MCU controllers 18 are used to select to match with battery types to be charged is charged.MCU is controlled
Device 18 processed is additionally operable to realize wrong battery detecting successively, devulcanization, low current precharge, constant-current charge, constant-voltage charge, Analysis Block
Voltage, floating charging, the charge mode of pulse charge.
MCU controllers 18 are STMicw Electronics's STM8S003K3 single-chip microcomputers.
The operational amplifier of constant-current and constant-voltage control circuit 17 is 324 operational amplifiers.
The photoisolator of feedback circuit 16 is EL817.
PWM controller 15 is LD7750 power management chips.
The touch chip that battery types touch selection circuit 23 is BS812A.
The rectification chip of high-voltage rectifying filter circuit 12 is GBU808.
Embodiment 2
As shown in Fig. 2 the utility model provides a kind of charger, the charger includes：Ac power input end, EMC
Filter circuit 11, high-voltage rectifying filter circuit 12, high-frequency isolation reduction voltage circuit 13, FET control circuit 14, PWM controller
15th, feedback circuit 16, constant-current and constant-voltage control circuit 17, MCU controllers 18, battery types touch selection circuit 23, charge mode
Touch selection circuit 19, thermal-shutdown circuit 20, reverse-connection protection circuit 21, LED indicating circuit 22 and charging output end.
EMC filter circuit 11 is electrically connected with high-voltage rectifying filter circuit 12 and PWM controller 15 respectively；High-frequency isolation
Reduction voltage circuit 13 respectively with high-voltage rectifying filter circuit 12, FET control circuit 14, PWM controller 15 and constant current constant voltage
Control circuit 17 is electrically connected with；Feedback circuit 16 is electrically connected with PWM controller 15 and constant-current and constant-voltage control circuit 17 respectively；
MCU controllers 18 touch selection circuit with constant-current and constant-voltage control circuit 17, FET control circuit 14, battery types respectively
23rd, charge mode touches selection circuit 19, thermal-shutdown circuit 20, reverse-connection protection circuit 21, LED indicating circuit 22 and described
The output end that charges is electrically connected with；FET control circuit 14 is electrically connected with the charging output end.
EMC filter circuit 11 is used to eliminate electromagnetism caused by inductive load and spark interference during electricity is connected.
High-voltage rectifying filter circuit 12 and high-frequency isolation reduction voltage circuit 13 are used to carry out rectification filter successively to input AC electricity
Ripple processing and decompression processing.
FET control circuit 14 is used to control whether the charging output end normally exports.
PWM controller 15 is used to produce short square ripple, promotes late-class circuit to carry out power output.
Feedback circuit 16 is used for burning voltage and isolation.
Constant-current and constant-voltage control circuit 17 is used to control the charging output end to export constant current or constant voltage.
It is lead-acid accumulator or lithium battery that battery types, which touch selection circuit 23 to be used to select type of rechargeable battery,.
The preset charged parameter that MCU controllers 18 are used to select to match with battery types to be charged is charged.
MCU controllers 18 are additionally operable to realize wrong battery detecting successively, devulcanization, low current precharge, and constant-current charge is permanent
Pressure charging, Analysis Block voltage, floating charging, the charge mode of pulse charge.
It is fast charge or trickle charge that charge mode, which touches selection circuit 19 to be used to select charge mode,.
Thermal-shutdown circuit 20 is used to prevent that charging-cell temperature is too high.
Reverse-connection protection circuit 21 is used to protect battery when external connection battery is reversed.
LED indicating circuit 22 is used to indicate charged state.
MCU controllers 18 are STMicw Electronics's STM8S003K3 single-chip microcomputers.
The operational amplifier of constant-current and constant-voltage control circuit 17 is 324 operational amplifiers.
The photoisolator of feedback circuit 16 is EL817.
PWM controller 15 is LD7750 power management chips.
The touch chip that battery types touch selection circuit 23 is BS812A.
The rectification chip of high-voltage rectifying filter circuit 12 is GBU808.
The touch chip that charge mode touches selection circuit 19 is BS812A.
MCU controllers 18 are used to realize wrong battery detecting successively, devulcanization, low current precharge, constant-current charge, constant pressure
Charging, Analysis Block voltage, floating charging, the charge mode of pulse charge.Charging process is added with the charger marked as 12V below
With explanation.
Charger carries out following charging operations to rechargeable battery：
1. wrong battery detecting
For detecting the quality of battery to be charged.Mistake battery automatic identification simultaneously reports an error, when charger opens charge function
The preceding voltage for first identifying battery to be charged, when the charger detects that the voltage of battery to be charged is higher than 15V, then it is determined as mistake
Battery；Charger can send false alarm by indicator lamp or buzzer, and reminding user's access cell voltage is too high can energy loss
Bad charger.
2. devulcanization
Effectively repaired for slightly vulcanizing battery.
The hard crystalline solid of one layer of white of surface attachment of negative plate inside lead-acid accumulator, can not still be peeled off after charging
Negative plate surface conversion is the lead sulfate of active material, and here it is sulfation, abbreviation " vulcanization ".
Devulcanization fills mode using arteries and veins, specially charges 1 second and discharges 0.5 second, if battery in a charge and discharge process
Voltage change then terminates devulcanization less than 2V and enters low current priming mode.When the devulcanization time reach default 4 it is small when after, fill
Electrical equipment also can be automatically into low current priming mode.Devulcanization operation is put for 1 second mainly for lead-acid accumulator, lithium battery in charging
Cell voltage change will soon be less than 2V during electric 0.5 second, skip devulcanization processing.
3. low current preliminary filling
When the voltage of battery is less than 10V, charged using 1A low current.
4. constant-current charge
The rechargeable battery main charging stage, in this mode under charged using maximum current, 70%~85% electricity is at this
Stage completes, can quick charge charging.
5. constant-voltage charge
After constant-current charge terminates, cell voltage reaches a constant voltage, and the voltage for keeping this constant fills to battery
Electricity, during constant-voltage charge, cell voltage meeting more and more higher, electric current can be less and less, when charging current drops to a certain set
During definite value, constant-voltage charge terminates, and is then transferred to next stage charging, and constant voltage charging phase is exactly to battery boost charge, is terminated
When battery be filled substantially with.
6. voltage analysis
Changed by the automatic detection battery voltage of MCU controllers 18, letter is sent if detection voltage change range is more than 2V
Breath prompting.
7. floating charge
The floating charge stage is actually also constant-voltage charge, and simply charging voltage is relatively low, electric current is smaller, category maintenance charging, is led to
Battery electric quantity can be charged to close to 100% by crossing floating charge.
8. pulse charge
When cell voltage returns to 12.9V, charged with the mode of pulse.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, module in accompanying drawing or
Flow is not necessarily implemented necessary to the utility model.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also carry out one or more dresses that respective change is disposed other than this implement scene
In putting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Above-mentioned the utility model sequence number is for illustration only, does not represent the quality of implement scene.Disclosed above is only this
Several specific implementation scenes of utility model, still, the utility model is not limited to this, any those skilled in the art's energy
Think of change should all fall into the scope of protection of the utility model.
Claims (10)
1. a kind of charger, it is characterised in that the charger includes：FET control circuit, constant-current and constant-voltage control circuit,
MCU controllers, battery types touch selection circuit and charging output end；The MCU controllers respectively with the constant current constant voltage control
Circuit, the FET control circuit, battery types touch selection circuit and the charging output end processed electrically connect
Connect；
The FET control circuit is used to control whether the charging output end normally exports；
The constant-current and constant-voltage control circuit is used to control the charging output end to export constant current or constant voltage；
The battery types touch selection circuit and are used to select type of rechargeable battery；
The preset charged parameter that the MCU controllers are used to select to match with battery types to be charged is charged.
2. charger according to claim 1, it is characterised in that the battery types touch the touch chip of selection circuit
For BS812A.
3. charger according to claim 1, it is characterised in that the charger also includes charge mode and touches selection electricity
Road；It is fast charge or trickle charge that the charge mode, which touches selection circuit to be used to select charge mode,.
4. charger according to claim 3, it is characterised in that the charge mode touches the touch chip of selection circuit
For BS812A.
5. charger according to claim 1, it is characterised in that the charger also includes thermal-shutdown circuit and reversal connection
Protection circuit；The thermal-shutdown circuit is used to prevent that charging-cell temperature is too high, and the reverse-connection protection circuit is used for when external
Battery is protected when battery is reversed.
6. charger according to claim 1, it is characterised in that the charger also includes LED indicating circuit；It is described
LED indicating circuit is used to indicate charged state.
7. charger according to claim 1, it is characterised in that the MCU controllers are STMicw Electronics
STM8S003K3 single-chip microcomputers.
8. charger according to claim 1, it is characterised in that the operational amplifier of the constant-current and constant-voltage control circuit is
324 operational amplifiers.
9. charger according to claim 1, it is characterised in that the charger also includes EMC filter circuit, high repoussage
Flow filter circuit, high-frequency isolation reduction voltage circuit, PWM controller and feedback circuit.
10. charger according to claim 9, it is characterised in that the PWM controller is LD7750 power management cores
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720805767.0U CN206977135U (en) | 2017-07-05 | 2017-07-05 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720805767.0U CN206977135U (en) | 2017-07-05 | 2017-07-05 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977135U true CN206977135U (en) | 2018-02-06 |
Family
ID=61407194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720805767.0U Active CN206977135U (en) | 2017-07-05 | 2017-07-05 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104495A (en) * | 2017-07-05 | 2017-08-29 | 保力新能源科技(东莞)有限公司 | Charger |
-
2017
- 2017-07-05 CN CN201720805767.0U patent/CN206977135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104495A (en) * | 2017-07-05 | 2017-08-29 | 保力新能源科技(东莞)有限公司 | Charger |
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